Philadelphia to Seattle

1 ways to travelfastest 8h 17mfly from €130
Photo: Robert Ritchie / Unsplash

Departure-day prices · December 2030 Philadelphia → Seattle

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Return-day prices · December 2030 Seattle → Philadelphia

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Best time to visit Seattle — climate

Jan: ~7°C daytime, 9 rainy days 7° JanFeb: ~8°C daytime, 15 rainy days 8° FebMar: ~12°C daytime, 20 rainy days 12° MarApr: ~15°C daytime, 11 rainy days 15° AprMay: ~18°C daytime, 10 rainy days 18° MayJun: ~22°C daytime, 3 rainy days 22° JunJul: ~26°C daytime, 1 rainy days 26° JulAug: ~25°C daytime, 6 rainy days 25° AugSep: ~22°C daytime, 5 rainy days 22° SepOct: ~15°C daytime, 16 rainy days 15° OctNov: ~12°C daytime, 16 rainy days 12° NovDec: ~10°C daytime, 19 rainy days 10° Dec

Flights from Philadelphia to Seattle start around €130 (typically 1 stop). Range seen recently: €130–130, based on 1 fares found by travellers.

Fly (from €130)
8h 17mduration
€130–130recent fares
Book
Cheapest cached fares Philadelphia → Seattle; typically 1 stop (e.g. UA). · Based on 1 fares found by travellers in the last 48h

Cheapest round trips to Seattle

Fares found by travellers in the last 48 hours — refreshed daily.

Oct 29 – Nov 1 Alaska Airlines · Direct · 5h 53m €182 Book
Oct 8 – Oct 11 Frontier Airlines · 1 stop · 8h 26m €227 Book
Dec 23 – Dec 28 Frontier Airlines · 1 stop · 8h 54m €239 Book
Dec 22 – Dec 28 Frontier Airlines · 1 stop · 8h 54m €251 Book
Nov 22 – Nov 29 Frontier Airlines · 1 stop · 8h 23m €422 Book
Nov 23 – Nov 29 Frontier Airlines · 1 stop · 8h 23m €422 Book
Nov 24 – Nov 28 Frontier Airlines · 1 stop · 7h 34m €423 Book
Nov 22 – Nov 28 Frontier Airlines · 1 stop · 8h 23m €427 Book

Weather in Seattle

Wed 🌫️ 18° 12° 💧1%
Thu 🌫️ 19° 9° 💧1%
Fri 🌦️ 15° 11° 💧76%
Sat 🌦️ 15° 9° 💧16%
Sun ☀️ 15° 7° 💧0%
Mon ☁️ 19° 6° 💧1%
Tue 🌦️ 13° 10° 💧24%

Where to stay in Seattle

3★+ hotels from €87/night (40 hotels sampled, ~3 weeks out).

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA hotel · Seattle
from €87/night★ 4
Hotel Max hotel · Seattle
from €106/night★ 3
Hampton Inn & Suites by Hilton Seattle/Northgate hotel · Seattle
from €109/night★ 3

Good to know

Time difference-3h
Time in the air5h 53m

Things to do in Seattle

Top-rated tours and tickets from €36 — book ahead for the popular ones.

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About Seattle

Seattle, Washington sits at one of the most beautiful spots in the United States. Occupying a narrow isthmus between the Puget Sound and Lake Washington, it is the biggest city in the Pacific Northwest, with 780,000 people in Seattle and over four million people in the metro area. Seen from above, carpets of evergreen trees, pristine blue waters, and snowy white mountains surround the downtown's metallic skyscrapers, earning the city its nickname The Emerald City. On the ground, you will find a vibrant and cosmopolitan city.

Read the full Seattle guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

Popular from Philadelphia

Cheapest destinations travellers searched recently — refreshed daily.

Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-10-08. Some links earn Stayonomy a commission at no cost to you.